Re: Gtk::Image and mouse click

[Petr Hracek <petr hracek siemens com>]

Hi

thankx for help.
With the GdkEventButton compilation is OK.
And how can I handled coordinates from event.

regards
Paul Davis wrote:
> Is it just me, or should that function prototype be:
>
> MainWindow::on_image2_button_press( GdkEventButton* event ) ; ?
>
> And whats on line 201 in MainWindow.cpp?
>
> Paul Davis
>
> On 12/1/06, Petr Hracek <petr hracek siemens com> wrote:
> >  I change function on_image2_button_press to the return value bool
> >  and allways I return true now,
> >  but the result is:
> >
> >  In header:
> >         virtual bool on_image2_button_press(GdkEvent * event);
> >
> >  In CPP code:
> >  bool MainWindow::on_image2_button_press(GdkEvent * event)
> >  {
> >          Log("Procedure for button press");
> >          int x=0;
> >          int y=0;
> >          image2.get_pointer(x,y);
> >          sprintf(message,"X coor: %d, Y coor: %d",x,y);
> >          Log(message);
> >          imageOperation->getObject(x,y);
> >
> >          Log("End procedure for button press");
> >          return true;
> >  }
> >
> >  and result is:
> >  /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:
> > In member function 'typename
> > sigc::adaptor_functor<T_functor>::deduce_result_type<T_arg1,
> > void, void, void, void, void, void>::type
> > sigc::adaptor_functor<T_functor>::operator()(T_arg1) const
> > [with T_arg1 = GdkEventButton* const&, T_functor =
> > sigc::bound_mem_functor1<bool, MainWindow, GdkEvent*>]':
> >  /usr/include/sigc++-2.0/sigc++/functors/slot.h:137:   instantiated from
> > 'static T_return sigc::internal::slot_call1<T_functor,
> > T_return, T_arg1>::call_it(sigc::internal::slot_rep*,
> > typename sigc::type_trait<T_arg3>::take) [with T_functor =
> > sigc::bound_mem_functor1<bool, MainWindow, GdkEvent*>, T_return = bool,
> > T_arg1 = GdkEventButton*]'
> >  /usr/include/sigc++-2.0/sigc++/functors/slot.h:144:   instantiated from
> > 'static void* (* sigc::internal::slot_call1<T_functor,
> > T_return, T_arg1>::address())(void*) [with T_functor =
> > sigc::bound_mem_functor1<bool, MainWindow, GdkEvent*>, T_return = bool,
> > T_arg1 = GdkEventButton*]'
> >  /usr/include/sigc++-2.0/sigc++/functors/slot.h:529:   instantiated from
> > 'sigc::slot1<T_return, T_arg1>::slot1(const T_functor&) [with 
> > T_functor =
> > sigc::bound_mem_functor1<bool, MainWindow, GdkEvent*>, T_return = bool,
> > T_arg1 = GdkEventButton*]'
> >  /usr/include/sigc++-2.0/sigc++/functors/slot.h:1157:   instantiated 
> > from
> > 'sigc::slot<T_return, T_arg1, sigc::nil, sigc::nil, sigc::nil, 
> > sigc::nil,
> > sigc::nil, sigc::nil>::slot(const T_functor&) [with T_functor =
> > sigc::bound_mem_functor1<bool, MainWindow, GdkEvent*>, T_return = bool,
> > T_arg1 = GdkEventButton*]'
> >  MainWindow.cpp:201:   instantiated from here
> > /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84:
> > error: no match for call to
> > '(sigc::bound_mem_functor1<bool, MainWindow, GdkEvent*>)
> > (GdkEventButton* const&)'
> >  /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1850:
> > note: candidates are: T_return
> > sigc::bound_mem_functor1<T_return, T_obj,
> > T_arg1>::operator()(typename sigc::type_trait<T_arg3>::take) const [with
> > T_return = bool, T_obj = MainWindow, T_arg1 = GdkEvent*]
> >  make: *** [MainWindow.o] Error 1
> >
> >  regards
> >  Petr
> >
> >  Murray Cumming wrote:
> >  On Fri, 2006-12-01 at 14:53 +0100, Petr Hracek wrote:
> >
> >
> >  Hi all,
> >
> > I know that I wrote following problem before a 2 months but
> > unfortunatelly
> > I've upgraded my PC from FC5 to FC6 and now it does not work again.
> >
> >  [snip]
> >
> > I don't believe this code compiled on FC5 either.
> >
> >
> >
> >  and function look like this:
> > void MainWindow::on_image2_button_press(GdkEvent * event)
> > {
> >
> >  [snip]
> >
> > That signal handler should return a bool. Template errors are indeed
> > often difficult to understand.
> >
> >
> >
> >
> >  --
> > Petr Hráček, PSE ECT PSS27
> > ANFDATA spol. s r.o.
> > a SIEMENS Company
> > MediaHall, Bidlaky 20, 639 00 Brno, Czech Republic
> > Tel. +420 533 337 267
> > Fax. +420 533 337 252
> > mailto: petr hracek siemens com
> >
> >
> > _______________________________________________
> > gtkmm-list mailing list
> > gtkmm-list gnome org
> > http://mail.gnome.org/mailman/listinfo/gtkmm-list


--
Petr Hráček, PSE ECT PSS27
ANFDATA spol. s r.o.
a SIEMENS Company
MediaHall, Bidlaky 20, 639 00 Brno, Czech Republic
Tel. +420 533 337 267
Fax. +420 533 337 252
mailto: petr hracek siemens com